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Black Hole Interior in Quantum Gravity.

Yasunori Nomura1, Fabio Sanches1, Sean J Weinberg1

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Quantum gravity resolves black hole evaporation paradoxes, showing unitary formation and decay. Black hole interiors emerge via complementarity, reconciling quantum mechanics and the equivalence principle.

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Area of Science:

  • Theoretical Physics
  • Quantum Gravity
  • Black Hole Physics

Background:

  • Black holes are central to understanding quantum gravity.
  • Unitary black hole formation and evaporation are key theoretical challenges.
  • The interplay between quantum mechanics and general relativity remains poorly understood.

Purpose of the Study:

  • To explore the black hole interior within a quantum gravity framework.
  • To demonstrate unitary black hole formation and evaporation.
  • To reconcile the apparent contradictions between quantum mechanics and the equivalence principle in black hole physics.

Main Methods:

  • Utilizing concepts from quantum gravity.
  • Applying the principle of complementarity.
  • Analyzing microscopic degrees of freedom from a semiclassical perspective.

Main Results:

  • Black hole interiors are shown to appear via complementarity.
  • Microscopic degrees of freedom reveal special features of the interior spacetime.
  • Quantum mechanics and the equivalence principle are found to be consistent, albeit subtly.

Conclusions:

  • The study provides a consistent picture of black hole interiors in quantum gravity.
  • Unitary black hole evaporation is achievable.
  • The findings support the consistency of fundamental physical principles in extreme gravitational environments.